Security Area Advisory Group (SAAG) IETF 117 - San Francisco 1530 - 1630, Thursday, Session II Room: Continental 5 1. Welcome, Administrivia, and Agenda Bashing (5 mins) 2. WG and AD Reports (15 mins, chairs/ADs) 3. Implementation Report: Let's Encrypt and ACME (Richard Barnes) (15 min) 4. Wholistic Human-Oriented Discussions on Identity Systems (WHODIS) IAB Program (Cullen Jennings, Rifaat Shekh-Yusef, Dick Hardt) (15 min) 5. Open Mic (remaining time)